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55186113 = 397189643
BaseRepresentation
bin1101001010000…
…1001011000001
310211211202010010
43102201023001
5103111423423
65250455133
71240034313
oct322411301
9124752103
1055186113
1129173164
12165944a9
13b582b08
1474877b3
154ca1693
hex34a12c1

55186113 has 8 divisors (see below), whose sum is σ = 74340448. Its totient is φ = 36411264.

The previous prime is 55186111. The next prime is 55186133. The reversal of 55186113 is 31168155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55186113 - 21 = 55186111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55186111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94531 + ... + 95112.

It is an arithmetic number, because the mean of its divisors is an integer number (9292556).

Almost surely, 255186113 is an apocalyptic number.

It is an amenable number.

55186113 is a deficient number, since it is larger than the sum of its proper divisors (19154335).

55186113 is a wasteful number, since it uses less digits than its factorization.

55186113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189743.

The product of its digits is 3600, while the sum is 30.

The square root of 55186113 is about 7428.7356259326. The cubic root of 55186113 is about 380.7237200423.

The spelling of 55186113 in words is "fifty-five million, one hundred eighty-six thousand, one hundred thirteen".

Divisors: 1 3 97 291 189643 568929 18395371 55186113